T89C51CC01 Atmel, T89C51CC01 Datasheet - Page 144

• Manufacturer Part Number: T89C51CC01
• Description: Enhanced 8-Bit Microcontroller
• Manufacturer: Atmel

144
T89C51CC01
Table 117. IPL0 Register
IPL0 (S:B8h)
Interrupt Enable Register
Reset Value = X000 0000b
bit addressable
Number
Bit
7
-
7
6
5
4
3
2
1
0
Mnemonic Description
PPC
PPC
PX1
PX0
Bit
PT2
PT1
PT0
PS
6
-
Reserved
The value read from this bit is indeterminate. Do not set this bit.
PCA Interrupt Priority bit
Refer to PPCH for priority level
Timer 2 Overflow Interrupt Priority bit
Refer to PT2H for priority level.
Serial Port Priority bit
Refer to PSH for priority level.
Timer 1 Overflow Interrupt Priority bit
Refer to PT1H for priority level.
External Interrupt 1 Priority bit
Refer to PX1H for priority level.
Timer 0 Overflow Interrupt Priority bit
Refer to PT0H for priority level.
External Interrupt 0 Priority bit
Refer to PX0H for priority level.
PT2
5
PS
4
PT1
3
PX1
2
PT0
1
4129K–CAN–01/05
PX0
0